HomeAppsEducationRockdApps like Rockd Here are some great alternatives to Rockd by UW Macrostrat : Rock Identifier: Stone ID ★4.5 StraboSpot Mobile ★3.4 Geology Dictionary ★4.5 Flyover Country - Inflight GPS ★4.5 RockCheck ★3.2 Geology Quiz ★4.8 Mine Locator Map ★4.4 Rock Id: Crystals Identifier ★4.4 Stone Identifier Rock Scanner ★3.9 Minerals guide ★4.3 Rock Master: Rock Identifier ★4.2 Rock Finder ★3.4 Earthquake Track ★4.4 Idle Digging ★4.5 Gold Rush Miner ★3.9 Oxford Dictionary of Geology ★4.3